1453138450815 has 16 divisors (see below), whose sum is σ = 2329107688800. Its totient is φ = 773645117952.

The previous prime is 1453138450781. The next prime is 1453138450877. The reversal of 1453138450815 is 5180548313541.

It is not a de Polignac number, because 1453138450815 - 2⁹ = 1453138450303 is a prime.

It is a super-2 number, since 2×1453138450815² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85119670 + ... + 85136739.

It is an arithmetic number, because the mean of its divisors is an integer number (145569230550).

Almost surely, 2^{1453138450815} is an apocalyptic number.

1453138450815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1453138450815 is a deficient number, since it is larger than the sum of its proper divisors (875969237985).

1453138450815 is a wasteful number, since it uses less digits than its factorization.

1453138450815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170256986.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 1453138450815 in words is "one trillion, four hundred fifty-three billion, one hundred thirty-eight million, four hundred fifty thousand, eight hundred fifteen".